| Acronym | Definition |
|---|
| RIV➣Riverside (Amtrak station code; Riverside, CA) |
| RIV➣River |
| RIV➣Registrar of Imported Vehicles (Transport Canada; also seen as RVI) |
| RIV➣Riviera Holdings Corporation (stock symbol) |
| RIV➣Rapid Intervention Vehicle(s) |
| RIV➣Rallye International du Valais (French: International Rally of Valais; Switzerland) |
| RIV➣Recirculation Isolation Valve |
| RIV➣Radio Interference Voltage |
| RIV➣Rich Interactive Video |
| RIV➣Recreation Integration Victoria (Canada) |
| RIV➣Rijks Instituut voor de Volksgezondheid (Dutch: National Institute for Health; now Rijksinstituut voor Volksgezondheid en Milieu) |
| RIV➣Radio Science IF-to-VF Downconverter |
| RIV➣Régie Immobiliére de Vienne (French: Real Estate Board of Vienna; Austria) |